CVE-2023-27485 Insufficient verification of authorisation when accessing subresults in thmmniii/fbs-core
Logged-in users can access other users' subresults due to insufficient authorization checks in the feedback system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-27485?
CVE-2023-27485 is a medium-severity missing authorization vulnerability in thm-mni-ii feedbacksystem, published on 7 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
thmmniii/fbs-core is an open source feedback system for students. In versions prior to 1.5.3 when querying `subresults`, it is possible to query `subresults` from other users due to insufficient authorisation. This is only possible for logged-in users and it is not possible to associate the subresults with a specific user. This bug was fixed in commit `f1ae67d8bb2`and released with version 1.5.3. Users are advised to upgrade. There are no known workarounds for this issue.
Weakness: CWE-863
Which versions are affected by CVE-2023-27485?
It affects 1 product.
Products include Thm Feedbacksystem.
How do I fix CVE-2023-27485?
No fix has been published for CVE-2023-27485 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-27485 being exploited?
There is no known exploitation of CVE-2023-27485 in the wild and no public exploit code.
Other vulnerabilities in thm-mni-ii feedbacksystem
Sources
Also known as GHSA-fhq8-p3w6-mmgr.